https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-559 Lustre <p>While running obdfilter-survey test 2a, the following LBUG occurred on the OSS node:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>LustreError: 20123:0:(filter.c:3688:filter_handle_precreate()) ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32 LustreError: 20123:0:(filter.c:3688:filter_handle_precreate()) LBUG Pid: 20123, comm: ll_ost_119 Call Trace: [&lt;ffffffffa069d855&gt;] libcfs_debug_dumpstack+0x55/0x80 [libcfs] [&lt;ffffffffa069de95&gt;] lbug_with_loc+0x75/0xe0 [libcfs] [&lt;ffffffffa0be7a0d&gt;] filter_create+0x153d/0x1570 [obdfilter] [&lt;ffffffffa0805498&gt;] ? lustre_msg_check_version+0xc8/0xe0 [ptlrpc] [&lt;ffffffff8126d016&gt;] ? vsnprintf+0x2b6/0x5f0 [&lt;ffffffffa0808310&gt;] ? lustre_swab_ost_body+0x0/0x10 [ptlrpc] [&lt;ffffffffa0bb7278&gt;] ost_handle+0x48c8/0x4b90 [ost] [&lt;ffffffffa06a85d1&gt;] ? libcfs_debug_vmsg2+0x4d1/0xb50 [libcfs] [&lt;ffffffffa0803144&gt;] ? lustre_msg_get_opc+0x94/0x100 [ptlrpc] [&lt;ffffffffa080588c&gt;] ? lustre_msg_get_status+0x3c/0xa0 [ptlrpc] [&lt;ffffffffa0813d3e&gt;] ptlrpc_main+0xb8e/0x1900 [ptlrpc] [&lt;ffffffff8100c1ca&gt;] child_rip+0xa/0x20 [&lt;ffffffffa08131b0&gt;] ? ptlrpc_main+0x0/0x1900 [ptlrpc] [&lt;ffffffff8100c1c0&gt;] ? child_rip+0x0/0x20 Kernel panic - not syncing: LBUG Pid: 20123, comm: ll_ost_119 Tainted: G ---------------- T 2.6.32-131.2.1.el6_lustre.x86_64 #1 Call Trace: [&lt;ffffffff814db1b8&gt;] ? panic+0x78/0x143 [&lt;ffffffffa069deeb&gt;] ? lbug_with_loc+0xcb/0xe0 [libcfs] [&lt;ffffffffa0be7a0d&gt;] ? filter_create+0x153d/0x1570 [obdfilter] [&lt;ffffffffa0805498&gt;] ? lustre_msg_check_version+0xc8/0xe0 [ptlrpc] [&lt;ffffffff8126d016&gt;] ? vsnprintf+0x2b6/0x5f0 [&lt;ffffffffa0808310&gt;] ? lustre_swab_ost_body+0x0/0x10 [ptlrpc] [&lt;ffffffffa0bb7278&gt;] ? ost_handle+0x48c8/0x4b90 [ost] [&lt;ffffffffa06a85d1&gt;] ? libcfs_debug_vmsg2+0x4d1/0xb50 [libcfs] [&lt;ffffffffa0803144&gt;] ? lustre_msg_get_opc+0x94/0x100 [ptlrpc] [&lt;ffffffffa080588c&gt;] ? lustre_msg_get_status+0x3c/0xa0 [ptlrpc] [&lt;ffffffffa0813d3e&gt;] ? ptlrpc_main+0xb8e/0x1900 [ptlrpc] [&lt;ffffffff8100c1ca&gt;] ? child_rip+0xa/0x20 [&lt;ffffffffa08131b0&gt;] ? ptlrpc_main+0x0/0x1900 [ptlrpc] [&lt;ffffffff8100c1c0&gt;] ? child_rip+0x0/0x20 </pre> </div></div> <p>Maloo report: <a href="https://maloo.whamcloud.com/test_sets/39a9f35c-bc24-11e0-8bdf-52540025f9af" class="external-link" target="_blank" rel="nofollow noopener">https://maloo.whamcloud.com/test_sets/39a9f35c-bc24-11e0-8bdf-52540025f9af</a></p> <p>This is an known issue: <a href="https://bugzilla.lustre.org/show_bug.cgi?id=20324" class="external-link" target="_blank" rel="nofollow noopener">bug 20324</a></p> <br/> Lustre Clients:<br/> Tag: 1.8.6-wc1<br/> Distro/Arch: RHEL6/x86_64 (kernel version: 2.6.32_131.2.1.el6)<br/> Build: <a href="http://newbuild.whamcloud.com/job/lustre-b1_8/100/arch=x86_64,build_type=client,distro=el6,ib_stack=inkernel/">http://newbuild.whamcloud.com/job/lustre-b1_8/100/arch=x86_64,build_type=client,distro=el6,ib_stack=inkernel/</a><br/> Network: IB (inkernel OFED)<br/> ENABLE_QUOTA=yes<br/> <br/> Lustre Servers:<br/> Tag: v2_0_66_0<br/> Distro/Arch: RHEL6/x86_64 (kernel version: 2.6.32-131.2.1.el6_lustre)<br/> Build: <a href="http://newbuild.whamcloud.com/job/lustre-master/228/arch=x86_64,build_type=server,distro=el6,ib_stack=inkernel/">http://newbuild.whamcloud.com/job/lustre-master/228/arch=x86_64,build_type=server,distro=el6,ib_stack=inkernel/</a><br/> Network: IB (inkernel OFED)<br/> LU-559

1.8<->2.1 interop: LBUG: ASSERTION(diff >= 0) failed: lustre-OST0000: 1 - 33 = -32

Bug Major Resolved Fixed Niu Yawei Jian Yu Mon, 1 Aug 2011 06:00:31 +0000 Mon, 2 Jul 2012 21:38:44 +0000 Sun, 14 Aug 2011 21:02:48 +0000 Lustre 2.1.0 Lustre 1.8.6 Lustre 2.1.0 0 3 <p>Niu will look into this one</p> <p>I don't see why echo client can trigger pre-create on OST, and seems the debug log is missed in the maloo test result.</p> <p>Hi, Yujian<br/> Is this bug easy to reproduce? Is it possible to get the debug log with D_INODE enabled? I want to see if the group passed to OST is correct. Thank you.</p> <blockquote><p>Is this bug easy to reproduce? Is it possible to get the debug log with D_INODE enabled?</p></blockquote> <p>Yes, the LBUG could be reproduced consistently.<br/> Please take a look at this report which contains the debug logs gathered by running the test with "PTLDEBUG=-1":<br/> <a href="https://maloo.whamcloud.com/test_sets/095c50b0-be4e-11e0-8bdf-52540025f9af" class="external-link" target="_blank" rel="nofollow noopener">https://maloo.whamcloud.com/test_sets/095c50b0-be4e-11e0-8bdf-52540025f9af</a></p> <p>I found that 2.0 code will always change the oa-&gt;o_seq to 0 for the request from 1.8 client, which makes the 1.8 echo client use the 0 group mistakenly.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">/** * Validate oa from client. * 1. If the request comes from 1.8 clients, it will reset o_seq with MDT0. * 2. If the request comes from 2.0 clients, currently only RSVD seq and IDIF * req are valid. * a. <span class="code-keyword">for</span> single MDS seq = FID_SEQ_OST_MDT0, * b. <span class="code-keyword">for</span> CMD, seq = FID_SEQ_OST_MDT0, FID_SEQ_OST_MDT1 - FID_SEQ_OST_MAX */ <span class="code-keyword">static</span> <span class="code-object">int</span> ost_validate_obdo(struct obd_export *exp, struct obdo *oa, struct obd_ioobj *ioobj) { <span class="code-keyword">if</span> (oa != NULL &amp;&amp; (!(oa-&gt;o_valid &amp; OBD_MD_FLGROUP) || !(exp-&gt;exp_connect_flags &amp; OBD_CONNECT_FULL20))) { oa-&gt;o_seq = FID_SEQ_OST_MDT0; <span class="code-keyword">if</span> (ioobj) ioobj-&gt;ioo_seq = FID_SEQ_OST_MDT0; </pre> </div></div> <p>I think we need to check the OBD_MD_FLGROUP also for the 1.8 requests. Will make a patch soon.</p> <p>patch is tracking at: <a href="http://review.whamcloud.com/1182" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/1182</a></p> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el5,ib_stack=ofa/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,ofa #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el6,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el6,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el5,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el6,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el6,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=sles11,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,sles11,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el5,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=ubuntu1004,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,ubuntu1004,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el5,ib_stack=ofa/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,ofa #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el5,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el5,ib_stack=ofa/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,ofa #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el6,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el6,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el6,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el6,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el5,ib_stack=ofa/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,ofa #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/obdfilter/filter.c</li> <li>lustre/ost/ost_handler.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el5,ib_stack=inkernel/248/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,inkernel #248</a><br/> <a href="https://jira.whamcloud.com/browse/LU-559" title="1.8&lt;-&gt;2.1 interop: LBUG: ASSERTION(diff &gt;= 0) failed: lustre-OST0000: 1 - 33 = -32" class="issue-link" data-issue-key="LU-559"><del>LU-559</del></a> Keep the o_seq unchanged for 1.8 client</p> <p>Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=97e7c60bd9b2135ff5d498009b3996507fe6654b" class="external-link" target="_blank" rel="nofollow noopener">97e7c60bd9b2135ff5d498009b3996507fe6654b</a><br/> Files : </p> <ul> <li>lustre/ost/ost_handler.c</li> <li>lustre/obdfilter/filter.c</li> </ul> <p>landed for 2.1</p> <p>Our 2.1.1 OSS server that contains this patch just crashed:</p> <p> LustreError: 7204:0:(filter.c:3685:filter_handle_precreate()) ASSERTION(diff &gt;= 0) failed: nbp1-OST006d: 42944172 - 42944239 = -67^M<br/> LustreError: 7185:0:(filter.c:4143:filter_destroy()) nbp1-OST0055: can not find olg of group 0^M<br/> LustreError: 7204:0:(filter.c:3685:filter_handle_precreate()) LBUG^M</p> <p>We can still hit this LBUG with the commit.</p> Bugzilla ID 20324.0 Development Rank 1|hzv8kn: Rank (Obsolete) 4923 Severity